Search Results - "Pel, J W"
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The Mid-Infrared Instrument for the James Webb Space Telescope, VI: The Medium Resolution Spectrometer
Published in Publications of the Astronomical Society of the Pacific (01-07-2015)“…We describe the design and performance of the Medium Resolution Spectrometer (MRS) for the JWST-MIRI instrument. The MRS incorporates four coaxial spectral…”
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The central dusty torus in the active nucleus of NGC 1068
Published in Nature (06-05-2004)“…Active galactic nuclei (AGNs) display many energetic phenomena-broad emission lines, X-rays, relativistic jets, radio lobes-originating from matter falling…”
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Microlensing Constraints on the Frequency of Jupiter-Mass Companions: Analysis of 5 Years of PLANET Photometry
Published in The Astrophysical journal (10-02-2002)“…We analyze 5 years of PLANET photometry of microlensing events toward the Galactic bulge to search for the short-duration deviations from single-lens light…”
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CORS Baade-Wesselink method in the Walraven photometric system: the period-radius and the period-luminosity relation of classical Cepheids
Published in Monthly notices of the Royal Astronomical Society (01-05-2011)“…We present a new derivation of the CORS Baade-Wesselink method in the Walraven photometric system. We solved the complete Baade-Wesselink equation by…”
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The 1995 Pilot Campaign of PLANET: Searching for Microlensing Anomalies through Precise, Rapid, Round-the-Clock Monitoring
Published in The Astrophysical journal (20-12-1998)Get full text
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The Mid-Infrared Instrument for the James Webb Space Telescope, II: Design and Build
Published in Publications of the Astronomical Society of the Pacific (01-07-2015)“…The Mid-InfraRed Instrument (MIRI) on the James Webb Space Telescope (JWST) provides measurements over the wavelength range 5 to 28.5 μm. MIRI has, within a…”
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Limb Darkening of a K Giant in the Galactic Bulge: PLANET Photometry of MACHO 97-BLG-28
Published in The Astrophysical journal (10-09-1999)Get full text
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Limits on the Abundance of Galactic Planets From 5 Years of PLANET Observations
Published in The Astrophysical journal (01-08-2001)“…We search for signatures of planets in 43 intensively monitored microlensing events that were observed between 1995 and 1999. Planets would be expected to…”
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The PLANET microlensing follow-up network: results and prospects for the detection of extra-solar planets
Published in Planetary and space science (01-03-2002)“…Among various techniques to search for extra-solar planets, microlensing has some unique characteristics. Contrary to all other methods which favour nearby…”
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CORS Baade-Wesselink method in the Walraven photometric system: the Period-Radius and the Period-Luminosity relation of Classical Cepheids
Published 20-12-2010“…We present a new derivation of the CORS Baade-Wesselink method in the Walraven photometric system. We solved the complete Baade-Wesselink equation by…”
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The Mid-Infrared Instrument for the James Webb Space Telescope, VI: The Medium Resolution Spectrometer
Published 12-08-2015“…PASP, 2015, 127, 646 We describe the design and performance of the Medium Resolution Spectrometer (MRS) for the JWST-MIRI instrument. The MRS incorporates four…”
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CORS BaadeaWesselink method in the Walraven photometric system: the periodaradius and the periodaluminosity relation of classical Cepheids
Published in Monthly notices of the Royal Astronomical Society (11-05-2011)“…We present a new derivation of the CORS Baade-Wesselink method in the Walraven photometric system. We solved the complete Baade-Wesselink equation by…”
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The Mid-Infrared Instrument for JWST, II: Design and Build
Published 10-08-2015“…PASP, 127, 595, 2015 The Mid-InfraRed Instrument (MIRI) on the James Webb Space Telescope (JWST) provides measurements over the wavelength range 5 to 28.5…”
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Dust tori in radio galaxies
Published 11-03-2010“…Astron.Astrophys.511:A64,2010 We investigate the validity of the quasar - radio galaxy unification scenario and detect dust tori within radio galaxies of…”
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New Baade-Wesselink distances and radii for four metal-rich Galactic Cepheids
Published 19-03-2010“…We provided accurate estimates of distances, radii and iron abundances for four metal-rich Cepheids, namely V340 Ara, UZ Sct, AV Sgr and VY Sgr. The main aim…”
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On the metallicity gradient of the Galactic disk
Published 17-06-2009“…Aims: The iron abundance gradient in the Galactic stellar disk provides fundamental constraints on the chemical evolution of this important Galaxy component…”
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A dam around the Water Fountain Nebula? The dust shell of IRAS16342-3814 spatially resolved with VISIR/VLT
Published 04-06-2009“…Either by collimating a fast stellar wind or by driving a jet via accretion in the central system, dusty torii or stable disks may be crucial ingredients for…”
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Spatial separation of small and large grains in the transitional disk around the young star IRS 48
Published 21-05-2007“…We present spatially resolved mid-infrared images of the disk surrounding the young star IRS 48 in the Ophiuchus cloud complex. The disk exhibits a ring-like…”
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MIDI - The 10 mu m instrument on the VLTI
Published in Astrophysics and space science (01-01-2003)“…After more than five years of preparation, the mid-infrared interferometric instrument MIDI has been transported to Paranal where it will undergo testing and…”
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